Diazepam (valium) during labor.
D000773:Anesthesia, Obstetrical; D002986:Clinical Trials as Topic; D003975:Diazepam / Q000494:pharmacology*; D005260:Female; D006801:Humans; D008614:Meperidine / Q000494:pharmacology*; D009458:Neuroleptanalgesia; D010919:Placebos; D011247:Pregnancy
D010919:Placebos; D008614:Meperidine; D003975:Diazepam